<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>v-on指令</title>
</head>

<body>

    <div id="app">
        <input type="button" value="v-on指令" v-on:click="DoIt">
        <input type="button" value="v-on指令简写" @click="DoIt">
        <input type="button" value="v-on双击事件" @dblclick="DoIt">
    </div>

    <!-- 开发环境版本 -->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <!-- Vue实例 -->
    <script>
        var app = new Vue({
            el: "#app",
            methods: {
                DoIt: function () {
                    alert("做程序员")
                }
            }
        })
    </script>

</body>

</html>